RHS 350×250/6.3 is a cold-formed rectangular hollow section per EN 10219: height 350 mm, width 250 mm, wall thickness 6.3 mm, weight 57 kg/m, cross-section area 72.7 cm², moment of inertia Iy = 12920 cm⁴, elastic section modulus Wel,y = 738.5 cm³.
Geometry
Height h350.00 mm
Width b250.00 mm
Wall thickness t6.30 mm
Outer corner radius ro15.75 mm
Inner corner radius ri9.45 mm
Cross-section area A72.650 cm²
Weight G steel 7850 kg/m³57.00kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)12 920.000 cm⁴7 744.000 cm⁴
WelⓘElastic section modulus738.500 cm³619.500 cm³
WplⓘPlastic section modulus876.200 cm³698.000 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion15 290.000 cm⁴